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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h"
#include <stdint.h>
#include "base/logging.h"
#include "chromecast/media/cma/ipc/media_message.h"
namespace chromecast {
namespace media {
namespace {
class PatternSpecMarshaller {
public:
static void Write(const ::media::EncryptionScheme::Pattern& pattern,
MediaMessage* msg) {
CHECK(msg->WritePod(pattern.encrypt_blocks()));
CHECK(msg->WritePod(pattern.skip_blocks()));
}
static ::media::EncryptionScheme::Pattern Read(MediaMessage* msg) {
uint32_t encrypt_blocks;
uint32_t skip_blocks;
CHECK(msg->ReadPod(&encrypt_blocks));
CHECK(msg->ReadPod(&skip_blocks));
return ::media::EncryptionScheme::Pattern(encrypt_blocks, skip_blocks);
}
};
} // namespace
// static
void EncryptionSchemeMarshaller::Write(
const ::media::EncryptionScheme& encryption_scheme,
MediaMessage* msg) {
CHECK(msg->WritePod(encryption_scheme.mode()));
PatternSpecMarshaller::Write(encryption_scheme.pattern(), msg);
}
// static
::media::EncryptionScheme EncryptionSchemeMarshaller::Read(MediaMessage* msg) {
::media::EncryptionScheme::CipherMode mode;
::media::EncryptionScheme::Pattern pattern;
CHECK(msg->ReadPod(&mode));
pattern = PatternSpecMarshaller::Read(msg);
return ::media::EncryptionScheme(mode, pattern);
}
} // namespace media
} // namespace chromecast
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